ISO

Standard	Name	ISO/TC	Link
ISO 3864:1984	Safety colours and safety signs	145	[1]
ISO 3864-1:2001	Graphical symbols – Safety colours and safety signs -- Part 1: Design principles for safety signs in workplaces and public areas		UNECE
ISO 3864-4:2011	Graphical symbols -- Safety colours and safety signs -- Part 4: Colorimetric and photometric properties of safety sign materials	145/SC 2	[2]
ISO 3864-3:2012	Graphical symbols -- Safety colours and safety signs -- Part 3: Design principles for graphical symbols for use in safety signs	145/SC 2	[3]
ISO 7010:2011	Graphical symbols -- Safety colours and safety signs -- Registered safety signs	145/SC 2	[4]